Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Sergei I. Filimonov"'
Autor:
Alexander V. Samet, Igor G. Abramov, Mariya V. Kabanova, Sergei I. Filimonov, Zhanna V. Chirkova, Sergey S. Sergeev, Kyrill Yu. Suponitsky
Publikováno v:
Mendeleev Communications. 25:315-317
The Vilsmeier–Haack formylation of 4-(2-aryl-2-oxoethyl)-5-nitrophthalonitriles followed by reduction affords 3-acyl-1-hydroxy- 1H-indole-5,6-dicarbonitriles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a1caed80040a51a65e52e78cc065f3c
https://doi.org/10.1016/j.mencom.2015.07.030
https://doi.org/10.1016/j.mencom.2015.07.030
Autor:
Yu. A. Kovygin, Kh. S. Shikhaliev, Zh. V. Chirkova, M. K. Korsakov, Igor G. Abramov, Sergei I. Filimonov, Sergey I. Firgang, G. A. Stashina
Publikováno v:
Chemistry of Heterocyclic Compounds. 49:993-999
Substituted 5-amino-4-arylpyrazoles on condensation with itaconic acid form substituted tetrahydropyrazolo[1,5-a]pyrimidines, and on condensation with maleic anhydride form 2,3-dihydro-1H-imidazolo[1,2-b]pyrazoles, which on more extended heating rear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c75329710f1be5003f571429ec2acedd
https://doi.org/10.1007/s10593-013-1337-7
https://doi.org/10.1007/s10593-013-1337-7
Autor:
Kyrill Yu. Suponitsky, Sergey S. Sergeev, Zhanna V. Chirkova, Sergei I. Filimonov, Igor G. Abramov, Mariya V. Kabanova, Alexander V. Samet
Publikováno v:
ChemInform. 47
The Vilsmeier–Haack formylation of 4-(2-aryl-2-oxoethyl)-5-nitrophthalonitriles followed by reduction affords 3-acyl-1-hydroxy- 1H-indole-5,6-dicarbonitriles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bc1f1433c51556a27573b585d7f9447
https://doi.org/10.1002/chin.201601115
https://doi.org/10.1002/chin.201601115
Autor:
Zh. V. Chirkova, G. A. Stashina, Sergey I. Firgang, Sergei I. Filimonov, Igor G. Abramov, V. S. Sharunov
Publikováno v:
Russian Journal of Organic Chemistry. 48:1557-1560
Methods have been developed for the synthesis of previously unknown N-substituted 1H-indazole-5,6-dicarbonitriles from 4-methyl-5-nitrophthalonitrile.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f26438ca83482bf32700e95c40cc35b6
https://doi.org/10.1134/s107042801212010x
https://doi.org/10.1134/s107042801212010x
Autor:
V. S. Sharunov, Sergei I. Filimonov, K. Yu. Suponitsky, Igor G. Abramov, Zh. V. Chirkova, Sergey I. Firgang, G. A. Stashina
Publikováno v:
Chemistry of Heterocyclic Compounds. 48:427-435
A method of synthesizing new 3-substituted 2-amino-1-hydroxy-1H-indole-5,6-dicarbonitriles has been developed based on the reductive cyclization of substituted 4-cyanomethyl-5-nitrophthalonitriles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d4c1092292d61369ea3643c91d2246c
https://doi.org/10.1007/s10593-012-1010-6
https://doi.org/10.1007/s10593-012-1010-6
Publikováno v:
Russian Chemical Bulletin. 60:1719-1722
Reduction of 3-R-carbonyl-substituted 5,6-dicyanobenzofurans with sodium borohydride was studied under various conditions. 3-R-Carbonyl-substituted 5,6-dicyanobenzofurans are selectively reduced in ethanol to substituted 3-R-(hydroxymethyl)-5,6-dicya
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b36e1806520d5d3205b2832b14b703d1
https://doi.org/10.1007/s11172-011-0256-y
https://doi.org/10.1007/s11172-011-0256-y
ChemInform Abstract: Condensation of 5-Amino-4-arylpyrazoles with Itaconic Acid and Maleic Anhydride
Autor:
Sergey I. Firgang, Igor G. Abramov, Zh. V. Chirkova, Yu. A. Kovygin, Sergei I. Filimonov, Kh. S. Shikhaliev, G. A. Stashina, M. K. Korsakov
Publikováno v:
ChemInform. 45
Substituted tetrahydropyrazolo[1,5-a]pyrimidines (III) are obtained in the condensation reaction of pyrazoles (I) with isatonic acid.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc5a1e90335d4cbe18374e06e26667b6
https://doi.org/10.1002/chin.201412168
https://doi.org/10.1002/chin.201412168
Autor:
V. S. Sharunov, Igor G. Abramov, G. A. Stashina, Sergey I. Firgang, Zh. V. Chirkova, Sergei I. Filimonov
Publikováno v:
ChemInform. 44
Methods have been developed for the synthesis of previously unknown N-substituted 1H-indazole-5,6-dicarbonitriles from 4-methyl-5-nitrophthalonitrile.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::782cbe16fef2f615135b83feb71ea002
https://doi.org/10.1002/chin.201321133
https://doi.org/10.1002/chin.201321133
Autor:
Igor G. Abramov, K. Yu. Suponitsky, V. S. Sharunov, Sergei I. Filimonov, Sergey I. Firgang, Zh. V. Chirkova, G. A. Stashina
Publikováno v:
ChemInform. 43
Reductive cyclization of readily available 4-cyanomethyl-5-nitrophthalonitriles (III) using a solution of divalent tin in hydrochloric acid produces new indoledicarbonitriles (IV) in good yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b17aa52326805e771426288661c5874e
https://doi.org/10.1002/chin.201247097
https://doi.org/10.1002/chin.201247097
Publikováno v:
ChemInform. 43
While the reduction of ketones (I) in EtOH proceeds selectively, it is nonselective in THF and leads to a mixture of different reduction products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::055fd83dde785de4f0245e7aba205104
https://doi.org/10.1002/chin.201243093
https://doi.org/10.1002/chin.201243093